Home / 118,133,223.40-163,023,880.50-65,209,963.24

Finding the Fourth Proportional to 118,133,223.40, 163,023,880.50 and 65,209,963.24

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Solution

The fourth proportional to 118,133,223.40, 163,023,880.50 and 65,209,963.24 is: 89,989,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133,223.40 : 163,023,880.50 = 65,209,963.24 : x
  2. Step 2: Convert to fraction form
    118,133,223.40/163,023,880.50 = 65,209,963.24/x
  3. Step 3: Cross multiply
    118,133,223.40x = 163,023,880.50 × 65,209,963.24
  4. Step 4: Simplify right side
    118,133,223.40x = 10,630,781,254,647,154
  5. Step 5: Solve for x
    x = 10,630,781,254,647,154/118,133,223.40
  6. Step 6: Final answer
    x = 89,989,767.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.